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Infrared - Wikipedia
https://en.m.wikipedia.org/wiki/Infrared
WEBInfrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with waves that are just longer than those of red light, the longest waves in the visible spectrum , so IR is invisible to the human eye.
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Infrared radiation | Definition, Wavelengths, & Facts | Britannica
https://www.britannica.com/science/infrared-radiation
WEBMar 12, 2024 · Infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range. Invisible to the eye, it can be detected as a sensation of warmth on the skin. Learn more about infrared radiation in this article.
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What Is Infrared Radiation (IR(? Wavelength, Frequency, Uses, FAQs - BYJU'S
https://byjus.com/physics/infrared-radiation/
WEBWhat Is Infrared Radiation? Infrared radiation (IR), sometimes known as infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. Hence, it is undetectable by the human eye, although IR of wavelengths up to 1050 nanometers (nm) from specially pulsed lasers can be …
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Infrared Waves - NASA Science
https://science.nasa.gov/ems/07_infraredwaves
WEBAug 10, 2016 · Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption. Thus, infrared energy can also reveal objects in the universe that cannot be seen in visible light using optical telescopes.
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What Is Infrared? | Live Science
https://www.livescience.com/50260-infrared-radiation.html
WEBFeb 27, 2019 · Infrared radiation (IR), or infrared light, is a type of radiant energy that's invisible to human eyes but that we can feel as heat. All objects in the universe emit some level of IR...
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What Is Infrared Radiation? Science-Based Facts & FAQ
https://opticsmag.com/what-is-infrared-radiation/
WEBMar 14, 2024 · A type of electromagnetic radiation 2, infrared radiation occurs on the electromagnetic spectrum and is produced when atoms absorb and release energy. This spectrum includes X-rays, gamma rays, ultraviolet radiation (sunlight), visible light, microwaves, radio waves, and infrared waves. How Does It Work?
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Infrared Radiation - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/physics-and-astronomy/infrared-radiation
WEBInfrared radiation is emitted from all surfaces that have a temperature above 0 K (−273.15 °C) and the strength of emitted radiation depends on the surface temperature (higher temperatures have greater radiant energy). IR radiation has the same optical properties as visible light, being capable of reflection, refraction, and forming ...
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Infrared radiation - Energy Education
https://energyeducation.ca/encyclopedia/Infrared_radiation
WEBInfrared radiation (IR) is a type of radiant energy, with longer wavelengths than the visible light humans can see, but shorter wavelengths than radio waves. Its range extends from fairly small wavelengths near the color red, 700x10 -9 m, to nearly a millimeter, 3x10 …
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What is Infrared? | Cool Cosmos
https://coolcosmos.ipac.caltech.edu/page/what_is_infrared
WEBAug 16, 2013 · Infrared is a form of light... light that we can not see with our eyes, but that we can sometimes feel on our skin as heat. When we think of light, we may imagine the glare of the Sun on a summer day, or the soft glow of a light bulb at night.
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ICNIRP | Infrared (780 nm-1mm)
https://www.icnirp.org/en/frequencies/infrared/index.html
WEBInfrared radiation (IR), also known as thermal radiation, is that band in the electromagnetic radiation spectrum with wavelengths above red visible light between 780 nm and 1 mm. IR is categorized as IR-A (780 nm-1.4 µm), IR-B (1.4-3 µm) and IR-C, also known as far-IR (3 µm-1 mm). Common natural sources are solar radiation and fire.
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